50719993 has 16 divisors (see below), whose sum is σ = 56092176. Its totient is φ = 45660160.

The previous prime is 50719979. The next prime is 50719997. The reversal of 50719993 is 39991705.

It can be written as a sum of positive squares in 8 ways, for example, as 4981824 + 45738169 = 2232^2 + 6763^2 .

It is a cyclic number.

It is not a de Polignac number, because 50719993 - 2⁵ = 50719961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50719997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36255 + ... + 37627.

It is an arithmetic number, because the mean of its divisors is an integer number (3505761).

Almost surely, 2^50719993 is an apocalyptic number.

50719993 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

50719993 is a deficient number, since it is larger than the sum of its proper divisors (5372183).

50719993 is a wasteful number, since it uses less digits than its factorization.

50719993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 50719993 is about 7121.7970344570. The cubic root of 50719993 is about 370.1630472048.

The spelling of 50719993 in words is "fifty million, seven hundred nineteen thousand, nine hundred ninety-three".